How many significant digits?

5700

A. 1B. 2C. 3D. 4

Multiply

843.5 * 21103

A. 17800380.5B. 1.780 x 108

C. 1.780 x 107

D. 17800000

Which of the following instruments would give you the most accurate

measurement?

Round to 3 significant digits.

861900000000

A. 862B. 86200000000C. 8.62 x 10-11

D. 8.62 x 1011

What is the correct way to convert 5.00 gallons to mL?

A. 5.00 gallons 4 qt 1000 mL = 1 gallon 1 Liter

B. 5.00 gallons 4 qt 1 Liter 1000 mL =1 gallon 1.06 qt 1 Liter

C. 5.00 gallons 4 qt 1.06 Liters 1000 mL = 1 gallon 1 qt 1 Liter

How many significant digits?

0.013020

A. 4B. 5C. 6D. 7

Multiply

85 * 1.33

A. 113.05B. 113C. 110D. 110.

How many significant digits?

3703

A. 1B. 2C. 3D. 4

A student measured the length of an object four times and got the following measurements: 3.52 cm, 3.48 cm, 3.52 cm, and 3.52 cm. The teacher told the students that the accepted value for the

length was 3.70 cm. How was the student’s accuracy and precision?

A. Very good accuracy and very good precisionB. Not very good accuracy and very poor precisionC. Not very good accuracy and very good precisionD. Very good accuracy and very poor precision

Round to 3 significant digits.

34592

A. 345B. 34500C. 34600D. 3.45 x 104

In a multiplication or division problem, the first step is counting

A. Significant digitsB. Decimal placesC. ZerosD. Non-zero digits

How many significant digits?

0.0035

A. 2B. 3C. 4D. 5

Which of the following will allow measurement of a liquid’s volume with

the greatest accuracy and precision?

A. 50 mL graduated cylinder with 1 mL incrementsB. 100 mL graduated cylinder with 0.5 mL

incrementsC. 100 mL graduated cylinder in 10 mL incrementsD. 200 mL graduated cylinder in 5 mL increments

Using a ruler that has divisions which mark every mm, which of

the following would be an appropriately recorded length?

A. 45.02 mmB. 45 mmC. 45.020 mmD. 45.0 mm

Round to 3 significant digits.

0.0000485421

A. 485B. 0.0000485C. 4.85 x 105

D. 4.85 x 10-10

In an addition or subtraction problem, what is the first step in determining

how the answer should be reported?

A. count the number of significant digits in each measurement

B. count the number of decimal places in each measurement

C. count the number of zeroes in each measurementD. count the number of non-zeroes in each

measurement

How many significant digits?

2.0050

A. 2B. 3C. 4D. 5

Which of the following numbers have three significant digits?

1) 1,050 2) 1,150 3) 0.005

4) 1,050,100A. 1 and 2B. 1, 2, and 4C. 2 and 4D. 1, 2, 3, and 4

Multiply

6 * 1234

A. 7B. 7000C. 740D. 7404

The answers to which of the following will have three significant digits? 1.) (6.022) x (2.61) 2. 6.314 + 6.94 + 2.6501 3. (9.42 + 1.62) / 4.1 4. 485 / 9.231

A. 1 and 2B. 3 and 4

C.1, 2, and 4 D. 1 and 4